# -*- coding: utf-8 -*-

def toCidr(ip,mask=False):
    """ Convert to CIDR notation
        ip can be like this : 192.168.5.100/255.255.255.0
        or you can provide the ip and the mask
    """
    from IPy import IP
    try:
        if mask:
            data="{0}/{1}".format(ip,mask)
        else:
            data=ip
        return str(IP(data))
    except:
        return data